CN220727079U - Sealing device for oil pumping unit reducer - Google Patents
Sealing device for oil pumping unit reducer Download PDFInfo
- Publication number
- CN220727079U CN220727079U CN202322385869.XU CN202322385869U CN220727079U CN 220727079 U CN220727079 U CN 220727079U CN 202322385869 U CN202322385869 U CN 202322385869U CN 220727079 U CN220727079 U CN 220727079U
- Authority
- CN
- China
- Prior art keywords
- oil return
- sealing ring
- pumping unit
- sealing
- lubricating oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007789 sealing Methods 0.000 title claims abstract description 61
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 24
- 238000005086 pumping Methods 0.000 title claims abstract description 19
- 230000009467 reduction Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 8
- 239000003921 oil Substances 0.000 abstract description 47
- 239000010687 lubricating oil Substances 0.000 abstract description 31
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a sealing device for a pumping unit reducer, which belongs to the technical field of reducer sealing and comprises a shaft and a shaft sleeve, wherein the shaft sleeve is arranged on the shaft, an oil return groove is formed in the surface of the shaft, an oil return passage is formed in the lower half part of the shaft sleeve, a mounting groove is formed in the middle of the shaft sleeve, a first sealing ring is arranged in the mounting groove, a first fixing plate is arranged on the right side of the first sealing ring, a connecting rod is arranged on the right side of the first fixing plate, a second fixing plate is arranged on the right end of the connecting rod, a second sealing ring is arranged on the right side of the second sealing ring, a cover plate is arranged on the right side of the second sealing ring, an opening at the top of the oil return passage is enlarged, lubricating oil is quickly collected through the second sealing ring, and the oil return passage is obliquely arranged, so that the lubricating oil quickly returns to the reducer to collect the lubricating oil, and the reducer is effectively sealed, and the lubricating oil is prevented from leaking.
Description
Technical Field
The utility model relates to the technical field of speed reducer sealing, in particular to a sealing device for a speed reducer of an oil pumping unit.
Background
One of the common problems of oil leakage phenomenon of the oil pumping unit reducer is that the oil pumping unit reducer is easy to cause the ageing of a sealing structure of the oil pumping unit reducer due to poor working environment of the oil pumping unit, oil leakage of the oil pumping unit reducer is easy to cause, an inner sealing ring and an outer sealing ring are arranged in the oil pumping unit reducer sealing device (patent number: CN 202023254280.9) disclosed in Chinese patent literature data to seal, meanwhile, an oil return channel is arranged to collect leaked lubricating oil, so that the lubricating oil returns to the reducer, but the inner sealing ring and the outer sealing ring cannot be replaced quickly, and due to poor working environment of the oil pumping unit, the sealing mechanism is easy to age, such as after the sealing rings age, the lubricating oil seeps out through the outer sealing ring, and the oil return channel cannot collect all leaked lubricating oil. For this purpose, we propose a sealing device for a pumping unit reducer.
Disclosure of Invention
The utility model aims to provide a sealing device for a pumping unit reducer, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sealing device for pumping unit reduction gear, includes axle and axle sleeve, the axle sleeve is installed on the axle, be provided with the oil return groove on the axle surface, axle sleeve lower half is provided with the oil return duct, the axle sleeve middle part is provided with the mounting groove, be provided with first sealing washer in the mounting groove, first sealing washer right side is provided with first fixed plate, first fixed plate right side is provided with the connecting rod, the connecting rod right-hand member is provided with the second fixed plate, the second fixed plate right side is provided with the second sealing washer, the second sealing washer right side is provided with the apron, the mounting groove right side is provided with the installing port with apron matched with, upper portion is provided with the screw hole in the installing port, apron upper portion is provided with the through-hole, be provided with the bolt in the through-hole.
Preferably, the top end of the oil return channel is communicated with the bottom of the mounting groove, and the left end of the oil return channel is obliquely arranged downwards.
Preferably, the top opening of the oil return channel is obliquely arranged towards two sides.
Preferably, the threaded hole is matched with the bolt, the cover plate is installed in the installation opening, and the center of the through hole arranged at the upper part of the cover plate is positioned on the same horizontal line with the center of the threaded hole.
Compared with the prior art, the utility model has the beneficial effects that: after the lubricating oil in the speed reducer passes through the first sealing ring, the lubricating oil is collected through the oil return groove arranged on the shaft, the lubricating oil is dropped to the bottom of the mounting groove, the lubricating oil is prevented from leaking through the oil return channel, the top opening of the oil duct is increased, the lubricating oil is quickly collected, the lubricating oil is prevented from leaking through the second sealing ring, the oil return channel is obliquely arranged, the lubricating oil is quickly returned to the speed reducer to be collected, the speed reducer is effectively sealed, the lubricating oil is prevented from leaking, the cover plate is detached through loosening the bolts, and the first sealing ring and the second sealing ring can be quickly replaced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the sealing device of the present utility model.
In the figure: 1. a shaft; 2. a shaft sleeve; 3. an oil return groove; 4. an oil return passage; 5. a mounting groove; 6. a first seal ring; 7. a first fixing plate; 8. a connecting rod; 9. a second fixing plate; 10. a second seal ring; 11. a cover plate; 12. a mounting port; 13. a threaded hole; 14. a through hole; 15. and (5) a bolt.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the present utility model provides a technical solution: the sealing device for the pumping unit reducer comprises a shaft 1 and a shaft sleeve 2, wherein the shaft sleeve 2 is arranged on the shaft 1, an oil return groove 3 is arranged on the surface of the shaft 1, an oil return channel 4 is arranged at the lower half part of the shaft sleeve 2, a mounting groove 5 is arranged in the middle of the shaft sleeve 2, a first sealing ring 6 is arranged in the mounting groove 5, a first fixing plate 7 is arranged on the right side of the first sealing ring 6, a connecting rod 8 is arranged on the right side of the first fixing plate 7, a second fixing plate 9 is arranged at the right end of the connecting rod 8, a second sealing ring 10 is arranged on the right side of the second fixing plate 9, a cover plate 11 is arranged on the right side of the second sealing ring 10, a mounting hole 12 matched with the cover plate 11 is arranged on the right side of the mounting groove 5, a threaded hole 13 is arranged at the upper part in the mounting hole 12, a through hole 14 is arranged in the through hole 14, a bolt 15 is arranged in the through hole 14, the cover plate 11 is arranged in the mounting hole 12, the cover plate 11 is fixed by the bolt 15, the apron 11 will fix second sealing washer 10, second sealing washer 10 withstands first fixed plate 7 through second fixed plate 9 and connecting rod 8 and fixes first sealing washer 6, oil seepage appears in the reduction gear in the use, after the lubricating oil in the reduction gear passes through first sealing washer 6, be provided with oil return tank 3 on via axle 1 and collect lubricating oil, have oil return tank 3 drip to the bottom of mounting groove 5, get back to the reduction gear through oil return channel 4, in this in-process second sealing washer 10 will prevent lubricating oil leakage, make lubricating oil all get into oil return channel 4 through oil return tank 3, collect lubricating oil, thereby effectively seal the reduction gear, avoid lubricating oil leakage, and this device is through loosening bolt 15, tear down apron 11, can carry out quick replacement to first sealing washer 6 and second sealing washer 10.
The top end of the oil return channel 4 is communicated with the bottom of the mounting groove 5, the left end of the oil return channel 4 is obliquely arranged downwards, the top opening of the oil return channel 4 is obliquely arranged towards two sides, the top opening of the oil return channel 4 is increased, lubricating oil is quickly collected, the lubricating oil is prevented from leaking through the second sealing ring 10, and the oil return channel 4 is obliquely arranged, so that the lubricating oil is quickly returned into the speed reducer;
the threaded hole 13 is matched with the bolt 15, the cover plate 11 is installed in the installation hole 12, and the center of a through hole 14 arranged at the upper part of the cover plate is positioned on the same horizontal line with the center of the threaded hole 13.
Working principle: install apron 11 in installing port 12 to fix apron 11 with bolt 15, apron 11 will fix second sealing washer 10, second sealing washer 10 is fixed first sealing washer 6 through second fixed plate 9 and connecting rod 8 withstands first fixed plate 7, when the reduction gear appears oozing oil in the use, after the lubricating oil in the reduction gear passes through first sealing washer 6, be provided with oil return groove 3 on through axle 1 and collect lubricating oil, there is oil return groove 3 drip to the bottom of installing groove 5, get back into the reduction gear through oil return channel 4, in this process second sealing washer 10 will prevent lubricating oil leakage, make lubricating oil all get into in the oil return channel 4 through oil return groove 3, collect lubricating oil, thereby effectively seal the reduction gear, avoid lubricating oil leakage, and this device is through unclamping bolt 15, tear down apron 11, can carry out quick replacement to first sealing washer 6 and second sealing washer 10.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a sealing device for pumping unit reduction gear, includes axle (1) and axle sleeve (2), its characterized in that: the novel oil return device is characterized in that the shaft sleeve (2) is installed on the shaft (1), an oil return groove (3) is formed in the surface of the shaft (1), an oil return passage (4) is formed in the lower half portion of the shaft sleeve (2), an installation groove (5) is formed in the middle portion of the shaft sleeve (2), a first sealing ring (6) is arranged in the installation groove (5), a first fixing plate (7) is arranged on the right side of the first sealing ring (6), a connecting rod (8) is arranged on the right side of the first fixing plate (7), a second fixing plate (9) is arranged at the right end of the connecting rod (8), a second sealing ring (10) is arranged on the right side of the second fixing plate (9), a cover plate (11) is arranged on the right side of the second sealing ring (10), an installation opening (12) matched with the cover plate (11) is formed in the right side of the installation groove (5), a threaded hole (13) is formed in the upper portion of the installation opening (12), and a bolt (14) is arranged on the upper portion of the cover plate (11).
2. The sealing device for a pumping unit reducer according to claim 1, wherein: the top end of the oil return channel (4) is communicated with the bottom of the mounting groove (5), and the left end of the oil return channel (4) is obliquely arranged downwards.
3. The sealing device for a pumping unit reducer according to claim 1, wherein: the top end opening of the oil return channel (4) is obliquely arranged towards two sides.
4. The sealing device for a pumping unit reducer according to claim 1, wherein: the threaded hole (13) is matched with the bolt (15), the cover plate (11) is installed in the installation hole (12), and the center of the through hole (14) arranged at the upper part of the cover plate is positioned on the same horizontal straight line with the center of the threaded hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322385869.XU CN220727079U (en) | 2023-09-01 | 2023-09-01 | Sealing device for oil pumping unit reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322385869.XU CN220727079U (en) | 2023-09-01 | 2023-09-01 | Sealing device for oil pumping unit reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220727079U true CN220727079U (en) | 2024-04-05 |
Family
ID=90491792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322385869.XU Active CN220727079U (en) | 2023-09-01 | 2023-09-01 | Sealing device for oil pumping unit reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220727079U (en) |
-
2023
- 2023-09-01 CN CN202322385869.XU patent/CN220727079U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |